Initial commit

flake.nix

@@ -0,0 +1,30 @@
+{
+  description = "AI Usage Monitor for Hyprland";
+
+  inputs.nixpkgs.url = "github:NixOS/nixpkgs/nixos-26.05";
+
+  outputs = { self, nixpkgs }:
+    let
+      systems = [ "x86_64-linux" "aarch64-linux" ];
+      each = nixpkgs.lib.genAttrs systems;
+    in {
+      packages = each (system:
+        let
+          pkgs = import nixpkgs { inherit system; };
+        in {
+          ai-usage = pkgs.rustPlatform.buildRustPackage {
+            pname = "ai-usage";
+            version = "0.1.1";
+            src = ./.;
+            cargoLock.lockFile = ./Cargo.lock;
+            meta = {
+              description = "Waybar usage monitor for Claude, Codex and Cursor";
+              mainProgram = "ai-usage";
+            };
+          };
+          default = self.packages.${system}.ai-usage;
+        });
+
+      homeManagerModules.default = ./modules/home-manager.nix;
+    };
+}